3540505 has 16 divisors (see below), whose sum is σ = 4696704. Its totient is φ = 2548480.

The previous prime is 3540503. The next prime is 3540521. The reversal of 3540505 is 5050453.

3540505 = T₂₂ + T₂₃ + ... + T₂₇₆.

It is a happy number.

It is not a de Polignac number, because 3540505 - 2¹ = 3540503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3540503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1050 + ... + 2860.

It is an arithmetic number, because the mean of its divisors is an integer number (293544).

Almost surely, 2^3540505 is an apocalyptic number.

It is an amenable number.

3540505 is a deficient number, since it is larger than the sum of its proper divisors (1156199).

3540505 is a wasteful number, since it uses less digits than its factorization.

3540505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856.

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 3540505 is about 1881.6229696727. The cubic root of 3540505 is about 152.4129037740.

Adding to 3540505 its reverse (5050453), we get a palindrome (8590958).

The spelling of 3540505 in words is "three million, five hundred forty thousand, five hundred five".